Home / 131,375-203,810

Finding the Third Proportional to 131,375 and 203,810

Calculator

Solution

The third proportional to 131,375 and 203,810 is: 316,182.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,375 : 203,810 = 203,810 : x
  2. Step 2: Convert to fraction form
    131,375/203,810 = 203,810/x
  3. Step 3: Cross multiply
    131,375x = 203,810 × 203,810
  4. Step 4: Simplify right side
    131,375x = 41,538,516,100
  5. Step 5: Solve for x
    x = 41,538,516,100/131,375
  6. Step 6: Final answer
    x = 316,182.81

Related Problems

Find third proportional to 65,687.50 and 101,905
Half scale
Find third proportional to 262,750 and 407,620
Double scale
Find third proportional to 131,377 and 203,813
Similar ratio
Find third proportional to 197,062.50 and 305,715
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.